Defined in 2 files as a function:
- include/linux/memcontrol.h, line 484 (as a function)
- include/linux/memcontrol.h, line 1072 (as a function)
Referenced in 4 files:
Smatch caller information:
mm/memcontrol.c __memcg_slab_post_alloc_hook() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 4096-ptr_max |
| PARAM_VALUE | 0 | objcg->is_root | 0 |
| DATA_SOURCE | 0 | objcg | r current_obj_cgroup |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/memcontrol.c drain_obj_stock_slot() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 1-u64max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/memcontrol.c obj_cgroup_charge_pages() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 4096-ptr_max |
| PARAM_VALUE | 0 | objcg->is_root | 0 |
| CAPPED_DATA | 0 | objcg | 1 |
| DATA_SOURCE | 0 | objcg | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/memcontrol.c obj_cgroup_may_zswap() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 4096-ptr_max |
| PARAM_VALUE | 0 | objcg->refcnt.percpu_count_ptr | 1-u64max |
| DATA_SOURCE | 0 | objcg | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/memcontrol.c obj_cgroup_release() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &ctx->map_changing_lock | ||
| HALF_LOCKED2 | &packet->qp->r_lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &q->queue_lock | ||
| HALF_LOCKED2 | &qp->s_lock | ||
| HALF_LOCKED2 | &tg_pt_gp->tg_pt_gp_lock | ||
| HALF_LOCKED2 | &tg_pt_gp->tg_pt_gp_transition_mutex | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | global &pcpu_lock | ||
| HALF_LOCKED2 | irq |
mm/memcontrol.c obj_cgroup_uncharge_pages() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 1-u64max |
| CAPPED_DATA | 0 | objcg | 1 |
| DATA_SOURCE | 0 | objcg | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/bpf/syscall.c bpf_map_get_memcg() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 1-u64max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | flags |
mm/zswap.c zswap_store() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 4096-ptr_max |
| PARAM_VALUE | 0 | objcg->memcg->css.flags | 1-u32max |
| PARAM_VALUE | 0 | objcg->memcg->css.refcnt.data | 0,4096-ptr_max |
| PARAM_VALUE | 0 | objcg->refcnt.percpu_count_ptr | 1-u64max |
| DATA_SOURCE | 0 | objcg | r get_obj_cgroup_from_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/zswap.c zswap_store() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 4096-ptr_max |
| PARAM_VALUE | 0 | objcg->refcnt.percpu_count_ptr | 1-u64max |
| DATA_SOURCE | 0 | objcg | r get_obj_cgroup_from_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/bpf/memalloc.c get_memcg() -> get_mem_cgroup_from_objcg()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | objcg | 1-u64max |